package net.tinyos.tools;
public class HelloWSN{

public static String printLuo(){
	String ss="wsn";
	return ss;
	//System.out.println("aaa");
}
public static void main(String[] args){
	HelloWSN h =new HelloWSN();
	String hh="";
	hh=h.printLuo();
	System.out.println("hello!"+hh);
}
}
